The galaxy/deployment/online-config repo — the central field/site configuration store — maintains per-customer git branches named E21 (Ethiopia), P19 and P19-POC (Pakistan), and XJ (Xinjiang), each tracking dated "现场配置" (field configuration) commits pinned to specific TSG software versions (e.g. TSG 22.02, 21.11), directly corroborating the E21/P19/XJ site codenames already established in taxonomy and confirming ongoing, versioned field deployments as recently as 2023-07 (a "P19 23.07 online-config" branch commit).

Side-by-side internal performance comparison across Xinjiang (China Mobile carrier deployment, hostname cmcc-xj-server1-sapp-244), Fujian (domestic), and Ethiopia (E21) explicitly references the same 'app_sketch_maat' diagnostic log format at all three sites, confirming the identical AppSketch app-fingerprinting stack is used for domestic Xinjiang surveillance and for the exported Ethiopia deployment.

Geedge Networks' 2023 new-hire onboarding deck gives a corporate timeline: TSG's first international market win (with a codename "Nezha" launching the same month) in September 2018, "网络叙事者" (CyberNarrator) launching November 2020, a "South Asia" country project landing August 2021 (overseas market expansion), and Geedge winning a bid as overall solution provider for an "East Africa" country project in May 2022 — timing and regions consistent with this corpus's existing Pakistan (WMS-UTR/P19) and Ethiopia (E21) site attributions, though the deck itself does not name the countries.

Geedge's internal company timeline dates the launch of 网络叙事者 (CyberNarrator) to November 2020, and states the company won a 'South Asian country' project in May 2021 (consistent with Pakistan/WMS-UTR) and, as overall solution provider, an 'East Africa country' project in May 2022 (consistent with Ethiopia/HDM) -- corroborating the export timeline for those two customers from the company's own materials rather than site-side evidence alone.

Internal project codenames decode to specific customers: M22 = Myanmar (operators Mytel, Ooredoo Myanmar, and ATOM; sites YGN=Yangon, MDY=Mandalay), K18 = Kazakhstan (site renamed Nur-Sultan to Astana in OLAP config), E21 = Ethiopia (operator Safaricom Ethiopia; sites ADAMA-PE/SSM-PE to KLT-IGW/SHQ-IGW), WMS-UTR = Pakistan.

An internal TSG operations/troubleshooting manual lays out TSG's full traffic pipeline (NIC -> mrzcpd/marsio capture driver -> sapp DPI engine -> firewall/proxy(KNI->TFE)/active-defense/WAN-NAT policy branches) and shows engineers using maat_redis_tool to pull the live Redis-synced blocking policy tables (TSG_SECURITY_COMPILE, TSG_OBJ_IP_ADDR, TSG_OBJ_APP_ID) and filter them by numeric policy/object ID to debug why a block rule isn't firing.

The internal 'MAAT网络流处理配置统一描述框架' engineering manual (v3.1.20, author 郑超, 2021) documents MAAT's Redis-synced rule-compilation framework and its RuleScan/Hyperscan-based pattern-matching engine (libmaatframe.so / librulescan), and records that RuleScan's fast-scan feature caused a production outage on 2019-03-19 and has been disabled ever since.